   (case topic
     :get-user-bookmarks {:topic topic
                          :data (get-user-bookmarks (:conn @server-state) data)}
-    :register {:topic topic
+    :sign-up  {:topic topic
                :data (add-user (:conn @server-state) data)}
-    :sign-in {:topic topic
+    :log-in {:topic topic
               :data (verify-user (:conn @server-state) data)}
     :add-bookmark {:topic topic
                    :data (add-bookmark (:conn @server-state)

  ;; on first startup initialize datomic schema
  (init-schema (:schema @server-state))

)

                          (swap! server-state update-in [:out-chans] (fn [old new] (vec (remove #(= new %) old))) out-ch)
                          (close! out-ch)))
      (on-receive channel (fn [msg] (let [data (str (dispatch (read-string msg)))]
                                     (println data)
                                     (send! channel data)
                                     (doall
                                      (map #(put! % data) (remove #{out-ch} (:out-chans @server-state))))))))))
